CyberData 4-Port Manuale Utente Scaricare il pdf (Pagina 14)

CyberData Corporation 930232A Operations Guide

Installing and Using the 4-Port PoweredUSB Hub

Operation

Figure 2-11. Cables; +12V PoweredUSB to +12V Power Jack and RS-232 to RS-232

Figure 2-12. RS232 to USB Converter “Y” Cable +12V (PC Enumerates this device as an RS-232 COM port)

2.5 Operation

The SiP VoIP and PoE Speaker is a standard USB Hub that complies with the USB 2.0 specification,

and adds PoweredUSB ports. When connected to a Host, it is enumerated as a Generic USB Hub. This

Hub also meets the PoweredUSB .08g specification. For more information about this specification,

go to www.poweredusb.org.

POS peripheral

caveat

Accor

ding to the USB 2.0 specification, devices attached to a USB interface should enumerate from

the Hub’s USB Vbus, regardless of the PoweredUSB powered ports. Some POS devices do not

comply with this specification, and will not enumerate unless the upper sections of the PoweredUSB

ports are active.

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CyberData 4-Port Manuale Utente Pagina 14